Jefferson Terrace Steam to Gas Conversion

Seattle Housing Authority

With 287 units, Jefferson Terrace is Seattle Housing Authority’s largest apartment building. FSi was prime consultant and mechanical engineer for upgrades to the heating and hot water heating system throughout the building.

Our project replaced the building’s steam-powered heating and domestic hot water system with high-efficiency natural gas condensing boilers and water heaters. The project also updated the heating water distribution to maximize boiler efficiency. For further energy savings, the project replaced pneumatic boiler room controls with a DDC system that allows variable flows and temperature resets. The efficient new system reduced operating costs by more than $95,000 in the first five months of operation.

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FSi consulting engineers

Seattle

506 Second Avenue, Suite 700 Seattle, Washington 98104

206.622.3321 206.622.5804 fax

webpage@fsi-engineers.com

Spokane

304 W Pacific, Suite 210 Spokane, Washington 99201

509.413.7320

We were impressed with your knowledge of the energy code, and you were immensely helpful in getting the project approved.